The king cobra, previously considered a single species, has been reclassified into four distinct species: Northern King Cobra, Sunda King Cobra, Western Ghats King Cobra, and Luzon King Cobra.

"There's just a lot we don't know, and this is sort of the first step in getting a better grasp on what this biodiversity really means," said Sara Ruane, associate curator of reptiles and amphibians ...